//
//  Sark.h
//  runtimeTest_isa_消息转发
//
//  Created by Song on 2018/4/24.
//  Copyright © 2018年 Song. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface Sark : NSObject
@property (nonatomic, copy) NSString *name;
- (void)speak;
@end
